1958 Armstrong Siddeley Star Sapphire vs. 2012 Jaguar XF
To start off, 2012 Jaguar XF is newer by 54 year(s). Which means there will be less support and parts availability for 1958 Armstrong Siddeley Star Sapphire. In addition, the cost of maintenance, including insurance, on 1958 Armstrong Siddeley Star Sapphire would be higher. At 5,000 cc (8 cylinders), 2012 Jaguar XF is equipped with a bigger engine. In terms of performance, 2012 Jaguar XF (470 HP @ 6000 RPM) has 325 more horse power than 1958 Armstrong Siddeley Star Sapphire. (145 HP @ 4250 RPM) In normal driving conditions, 2012 Jaguar XF should accelerate faster than 1958 Armstrong Siddeley Star Sapphire. With that said, vehicle weight also plays an important factor in acceleration. 2012 Jaguar XF weights approximately 175 kg more than 1958 Armstrong Siddeley Star Sapphire. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2012 Jaguar XF (574 Nm @ 2500 RPM) has 262 more torque (in Nm) than 1958 Armstrong Siddeley Star Sapphire. (312 Nm @ 2000 RPM). This means 2012 Jaguar XF will have an easier job in driving up hills or pulling heavy equipment than 1958 Armstrong Siddeley Star Sapphire.
Compare all specifications:
| 1958 Armstrong Siddeley Star Sapphire | 2012 Jaguar XF | |
| Make | Armstrong Siddeley | Jaguar |
| Model | Star Sapphire | XF |
| Year Released | 1958 | 2012 |
| Engine Position | Front | Front |
| Engine Size | 3990 cc | 5000 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 145 HP | 470 HP |
| Engine RPM | 4250 RPM | 6000 RPM |
| Torque | 312 Nm | 574 Nm |
| Torque RPM | 2000 RPM | 2500 RPM |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | 6-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1778 kg | 1953 kg |
| Vehicle Length | 4940 mm | 4961 mm |
| Vehicle Width | 1890 mm | 1877 mm |
| Vehicle Height | 1580 mm | 1461 mm |
| Wheelbase Size | 2900 mm | 2908 mm |
| Fuel Tank Capacity | 72 L | 70 L |
